const createError = require('http-errors');
const express = require('express');
const path = require('path');
const cookieParser = require('cookie-parser');
const logger = require('morgan');
const { getVerResult } = require('./utils/jwt');

const indexRouter = require('./routes/index');
const userRouter = require('./routes/user');
const commonRouter = require('./routes/common');
const workRouter = require('./routes/work');
const publicRouter = require('./routes/public');

const app = express();
// 设置请求头&跨域
app.use(function (req, res, next) {
  res.header("Access-Control-Allow-Origin", "*");
  res.header('Access-Control-Allow-Headers', 'Content-Type, Content-Length, Authorization, Accept, X-Requested-With, token');
  res.header("Access-Control-Allow-Methods", "PUT,POST,GET,DELETE,OPTIONS");
  res.header("X-Powered-By", " 3.2.1")
  next();
});
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'pug');
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
// 静态资源
app.use(express.static(path.join(__dirname, 'public')));
// token检验
app.use(getVerResult)
// 路由
app.use('/', indexRouter);
app.use('/lesscode/user', userRouter)
app.use('/lesscode/common', commonRouter)
app.use('/lesscode/work', workRouter)
app.use('/lesscode/public', publicRouter)
// catch 404 and forward to error handler
app.use(function (req, res, next) {
  next(createError(404));
});
// error handler
app.use(function (err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};
  // render the error page
  res.status(err.status || 500);
  res.render('error');
});



module.exports = app;
